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Industrial Relays Type X
schneider-electric.us
Class 8501 / Refer to Catalog 8501CT9601
DC Latching Relays
8501XDO40XDLV53 Latching Relay
DC Latching Relays Dimensions (in./mm)
A
.25
6
2.23
57
1.12
28
3.56
90
3.12
79
Prov. for
(2) #8/#10 Mtg. Screws
B30080-159
8501XUDO40V53 Utility Relay
•
Mechanical latch holds all contacts switched even after removal of power from
replaceable latching coil.
•
Provides sequence memory in the event of power loss.
•
Ideal for sequencing applications such as press control, process control and punch
presses.
•
Replaceable unlatch coil to switch contacts back to original state.
Table 23.103: DC Latching Relays
Normally Open 5 A Convertible
Instantaneous Contacts
Latching Relay [8]
Type
2 XDO20XDL
4 XDO40XDL
6 XDO60XDL
8 XDO80XDL
NOTE: Unlatch coil is rated for intermittent duty and should be connected through a
N.O. contact of the relay if the input signal is maintained. Order one more N.O.
contact than the application requires to use as a coil clearing contact.
Table 23.104: Dimension A (See Figure at Left) and Weights
No. of
Poles
Dim. A Shipping
Weight, lb.
in. mm
2–4 7.76 197 3.9
6–8 8.98 228 4.2
DC Utility Relays
Ideal for utility plant applications where reliable performance and a pure DC power plant
is required. In addition to the Type XDO relay features, the Type XUDO provides:
•
Up to 12 poles N.O. or N.C.
•
Nominal 125 Vdc coil, capable of handling 140 Vdc continuously and picking up at 105
Vdc after having been operated at 140 Vdc continuously. Other voltages with
comparable operating characteristics are available.
•
Enclosed device capable of operating in 145°F ambient.
Table 23.105: DC Utility Relays
Number of 5 A Convertible Contacts
Open Type[8]
N.O. N.C.
Type
4
0
0
4
XUDO40
XUDO04
8
0
0
8
XUDO80
XUDO08
12
0
0
12
XUDO1200
XUDO0012
Table 23.106: Voltage Codes—8501 XUDO and XDO Relays
DC Voltages for
8501 XUDO Relays ONLY
Code
DC Voltages for 8501 XDO
Relays
Code
6 V50 6 V50
12 V51 12 V51
24 V53 24 V53
48 V56 32 V54
125 V63 48 V56
250 V67 72 V58
— — 90 V59
— — 115/125 V62
— — 230/250 V66
Table 23.107: How to Order
To Order Specify: Catalog Number
•
Class Number
•
Type Number
•
Voltage Code
Class
Type Voltage Code
8501 XDO40 V53
•
For replacement coils, see
Table 23.111.
•
For UL and CSA approvals, see
Square D NEMA Style AC Relays.
[8] Voltage code must be specified to order these products. Refer to Table 23.106 and insert the appropriate code as shown in Table 23.107.
6/20/2017
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RELAYS AND TIMERS